18439236

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1993}}^1$

素因数の和:2260

約数の個数: 36

約数和(自身を含む): 46815132

約数和(自身を除く): 28375896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 1993, 2313, 3084, 3986, 4626, 5979, 7972, 9252, 11958, 17937, 23916, 35874, 71748, 512201, 1024402, 1536603, 2048804, 3073206, 4609809, 6146412, 9219618, 18439236]

約数ペア:

[(1, 18439236), (2, 9219618), (3, 6146412), (4, 4609809), (6, 3073206), (9, 2048804), (12, 1536603), (18, 1024402), (36, 512201), (257, 71748), (514, 35874), (771, 23916), (1028, 17937), (1542, 11958), (1993, 9252), (2313, 7972), (3084, 5979), (3986, 4626)]